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STOCK TITAN

[Form 4] WESTLAKE CHEMICAL PARTNERS LP Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Westlake Chemical Partners LP (WLKP) â€� Form 4 insider transaction

Director Randy Woelfel reported a matched exercise-and-sale on 8 Aug 2025 covering 4,882 common units:

  • Exercise (Code M): 4,882 phantom units converted into an equal number of common units on 7 Aug 2025.
  • Sale (Code D): the same 4,882 common units immediately sold at $21.96, generating proceeds of roughly $107 k.

After the transactions, Woelfel’s direct ownership fell from 28,795 to 23,913 common units (�17% reduction) and no derivative (phantom) units remain outstanding. He also received a separate grant of 5,005 new phantom units on 6 Aug 2025 that will settle in common units one year later.

No 10b5-1 trading plan was indicated, and the filing involves only one reporting person. While the dollar value is modest relative to WLKP’s market capitalization, insider sales can be viewed cautiously by investors, particularly when they reduce ownership levels.

Westlake Chemical Partners LP (WLKP) � Transazione interna Form 4

Il direttore Randy Woelfel ha segnalato un esercizio e vendita abbinati l'8 agosto 2025 riguardanti 4.882 unità ordinarie:

  • Esercizio (Codice M): 4.882 unità fantasma convertite in un numero uguale di unità ordinarie il 7 agosto 2025.
  • Vendita (Codice D): le stesse 4.882 unità ordinarie sono state immediatamente vendute a 21,96 $, generando un ricavo di circa 107.000 $.

Dopo queste operazioni, la proprietà diretta di Woelfel è scesa da 28.795 a 23.913 unità ordinarie (circa il 17% in meno) e non rimangono unità derivate (fantasma) in circolazione. Ha inoltre ricevuto un premio separato di 5.005 nuove unità fantasma il 6 agosto 2025, che saranno convertite in unità ordinarie dopo un anno.

Non è stato indicato alcun piano di trading 10b5-1 e la comunicazione coinvolge una sola persona segnalante. Sebbene il valore in dollari sia modesto rispetto alla capitalizzazione di mercato di WLKP, le vendite da parte degli insider possono essere viste con cautela dagli investitori, soprattutto quando riducono il livello di partecipazione azionaria.

Westlake Chemical Partners LP (WLKP) � Transacción interna Formulario 4

El director Randy Woelfel reportó un ejercicio y venta simultáneos el 8 de agosto de 2025 que abarcan 4,882 unidades comunes:

  • Ejercicio (Código M): 4,882 unidades fantasma convertidas en igual número de unidades comunes el 7 de agosto de 2025.
  • Venta (Código D): las mismas 4,882 unidades comunes fueron vendidas inmediatamente a $21.96, generando ingresos de aproximadamente $107,000.

Tras las transacciones, la propiedad directa de Woelfel cayó de 28,795 a 23,913 unidades comunes (aproximadamente una reducción del 17%) y no quedan unidades derivadas (fantasma) pendientes. Además, recibió una concesión separada de 5,005 nuevas unidades fantasma el 6 de agosto de 2025, que se liquidarán en unidades comunes un año después.

No se indicó ningún plan de negociación 10b5-1 y el informe involucra a una sola persona informante. Aunque el valor en dólares es modesto en relación con la capitalización de mercado de WLKP, las ventas internas pueden ser vistas con precaución por los inversores, especialmente cuando reducen los niveles de propiedad.

Westlake Chemical Partners LP (WLKP) � Form 4 내부� 거래 보고

ì´ì‚¬ 랜디 월펠(Randy Woelfel)ì€ 2025ë…� 8ì›� 8ì¼ì— 4,882 보통ì£� 단위ì—� 대í•� 행사 ë°� ë§¤ë„ ê±°ëž˜ë¥� 보고했습니다:

  • 행사 (코드 M): 2025ë…� 8ì›� 7ì¼ì— 4,882 팬텀 단위가 ë™ì¼í•� ìˆ˜ì˜ ë³´í†µì£� 단위ë¡� 전환ë˜ì—ˆìŠµë‹ˆë‹�.
  • ë§¤ë„ (코드 D): ê°™ì€ 4,882 보통ì£� 단위가 즉시 주당 $21.96ì—� 매ë„ë˜ì–´ ì•� $107,000ì� 수ìµì� 창출했습니다.

거래 í›� 월펠ì� ì§ì ‘ 보유 주ì‹ì€ 28,795 단위ì—서 23,913 보통ì£� 단위ë¡� ì•� 17% ê°ì†Œí–ˆìœ¼ë©�, 파ìƒ(팬텀) 단위ëŠ� 남아있지 않습니다. ë˜í•œ 2025ë…� 8ì›� 6ì¼ì— 별ë„ë¡� 5,005ê°œì˜ ìƒˆë¡œìš� 팬텀 단위ë¥� 부여받았으ë©�, ì´ëŠ” 1ë…� í›� 보통주로 ì •ì‚°ë©ë‹ˆë‹�.

10b5-1 거래 계íšì€ 명시ë˜ì§€ 않았으며, ë³´ê³ ìžëŠ” í•� 명ë¿ìž…니ë‹�. ê¸ˆì•¡ì€ WLKP 시가ì´ì•¡ì—� 비해 í¬ì§€ 않지ë§�, ë‚´ë¶€ìž� 매ë„ëŠ� 특히 보유 ì§€ë¶„ì´ ì¤„ì–´ë“œëŠ” 경우 투ìžìžë“¤ì� 신중하게 ë³� ìˆ� 있습니다.

Westlake Chemical Partners LP (WLKP) � Transaction d’initié Formulaire 4

Le directeur Randy Woelfel a déclaré une opération combinée d’exercice et de vente le 8 août 2025 portant sur 4 882 unités ordinaires :

  • Exercice (Code M) : 4 882 unités fantômes converties en un nombre égal d’unités ordinaires le 7 août 2025.
  • Vente (Code D) : les mêmes 4 882 unités ordinaires ont été immédiatement vendues à 21,96 $, générant un produit d’environ 107 000 $.

Après ces transactions, la détention directe de Woelfel est passée de 28 795 à 23 913 unités ordinaires (soit une réduction d’environ 17 %) et il ne reste plus d’unités dérivées (fantômes) en circulation. Il a également reçu une attribution distincte de 5 005 nouvelles unités fantômes le 6 août 2025, qui seront converties en unités ordinaires un an plus tard.

Aucun plan de trading 10b5-1 n’a été indiqué, et la déclaration concerne une seule personne déclarante. Bien que la valeur en dollars soit modeste par rapport à la capitalisation boursière de WLKP, les ventes d’initiés peuvent être perçues avec prudence par les investisseurs, notamment lorsqu’elles entraînent une réduction du niveau de participation.

Westlake Chemical Partners LP (WLKP) � Insider-Transaktion Form 4

Direktor Randy Woelfel meldete am 8. August 2025 eine kombinierte Ausübung und Verkauf von 4.882 Stammanteilen:

  • Ausübung (Code M): 4.882 Phantomanteile wurden am 7. August 2025 in die gleiche Anzahl von Stammanteilen umgewandelt.
  • Verkauf (Code D): dieselben 4.882 Stammanteile wurden sofort zu 21,96 $ verkauft, was Erlöse von etwa 107.000 $ ergab.

Nach den Transaktionen sank Woelfels direkte Beteiligung von 28.795 auf 23.913 Stammanteile (ca. 17 % Rückgang), und es sind keine derivativen (Phantom-)Anteile mehr ausstehend. Zudem erhielt er am 6. August 2025 eine separate Zuteilung von 5.005 neuen Phantomanteilen, die ein Jahr später in Stammanteile umgewandelt werden.

Ein 10b5-1-Handelsplan wurde nicht angegeben, und die Meldung betrifft nur eine meldende Person. Obwohl der Dollarwert im Verhältnis zur Marktkapitalisierung von WLKP gering ist, können Insider-Verkäufe von Investoren vorsichtig betrachtet werden, insbesondere wenn sie den Besitzanteil verringern.

Positive
  • None.
Negative
  • Director reduced direct holdings by 4,882 units (â‰�17%) through open-market sale at $21.96.

Insights

TL;DR: Small director sale (�$107 k) lowers stake 17%; signal is mildly negative but not material to WLKP fundamentals.

The matched exercise-and-sale structure suggests Woelfel monetised phantom-unit compensation rather than divesting a strategic position. Post-sale holdings of 23,913 units keep meaningful alignment with unitholders. The $21.96 sale price is near recent trading ranges and does not hint at valuation extremes. Because WLKP’s daily trading value exceeds the sale size, liquidity impact is negligible. Absent other insiders selling or fundamental news, I classify the event as low-impact and slightly negative for sentiment.

Westlake Chemical Partners LP (WLKP) � Transazione interna Form 4

Il direttore Randy Woelfel ha segnalato un esercizio e vendita abbinati l'8 agosto 2025 riguardanti 4.882 unità ordinarie:

  • Esercizio (Codice M): 4.882 unità fantasma convertite in un numero uguale di unità ordinarie il 7 agosto 2025.
  • Vendita (Codice D): le stesse 4.882 unità ordinarie sono state immediatamente vendute a 21,96 $, generando un ricavo di circa 107.000 $.

Dopo queste operazioni, la proprietà diretta di Woelfel è scesa da 28.795 a 23.913 unità ordinarie (circa il 17% in meno) e non rimangono unità derivate (fantasma) in circolazione. Ha inoltre ricevuto un premio separato di 5.005 nuove unità fantasma il 6 agosto 2025, che saranno convertite in unità ordinarie dopo un anno.

Non è stato indicato alcun piano di trading 10b5-1 e la comunicazione coinvolge una sola persona segnalante. Sebbene il valore in dollari sia modesto rispetto alla capitalizzazione di mercato di WLKP, le vendite da parte degli insider possono essere viste con cautela dagli investitori, soprattutto quando riducono il livello di partecipazione azionaria.

Westlake Chemical Partners LP (WLKP) � Transacción interna Formulario 4

El director Randy Woelfel reportó un ejercicio y venta simultáneos el 8 de agosto de 2025 que abarcan 4,882 unidades comunes:

  • Ejercicio (Código M): 4,882 unidades fantasma convertidas en igual número de unidades comunes el 7 de agosto de 2025.
  • Venta (Código D): las mismas 4,882 unidades comunes fueron vendidas inmediatamente a $21.96, generando ingresos de aproximadamente $107,000.

Tras las transacciones, la propiedad directa de Woelfel cayó de 28,795 a 23,913 unidades comunes (aproximadamente una reducción del 17%) y no quedan unidades derivadas (fantasma) pendientes. Además, recibió una concesión separada de 5,005 nuevas unidades fantasma el 6 de agosto de 2025, que se liquidarán en unidades comunes un año después.

No se indicó ningún plan de negociación 10b5-1 y el informe involucra a una sola persona informante. Aunque el valor en dólares es modesto en relación con la capitalización de mercado de WLKP, las ventas internas pueden ser vistas con precaución por los inversores, especialmente cuando reducen los niveles de propiedad.

Westlake Chemical Partners LP (WLKP) � Form 4 내부� 거래 보고

ì´ì‚¬ 랜디 월펠(Randy Woelfel)ì€ 2025ë…� 8ì›� 8ì¼ì— 4,882 보통ì£� 단위ì—� 대í•� 행사 ë°� ë§¤ë„ ê±°ëž˜ë¥� 보고했습니다:

  • 행사 (코드 M): 2025ë…� 8ì›� 7ì¼ì— 4,882 팬텀 단위가 ë™ì¼í•� ìˆ˜ì˜ ë³´í†µì£� 단위ë¡� 전환ë˜ì—ˆìŠµë‹ˆë‹�.
  • ë§¤ë„ (코드 D): ê°™ì€ 4,882 보통ì£� 단위가 즉시 주당 $21.96ì—� 매ë„ë˜ì–´ ì•� $107,000ì� 수ìµì� 창출했습니다.

거래 í›� 월펠ì� ì§ì ‘ 보유 주ì‹ì€ 28,795 단위ì—서 23,913 보통ì£� 단위ë¡� ì•� 17% ê°ì†Œí–ˆìœ¼ë©�, 파ìƒ(팬텀) 단위ëŠ� 남아있지 않습니다. ë˜í•œ 2025ë…� 8ì›� 6ì¼ì— 별ë„ë¡� 5,005ê°œì˜ ìƒˆë¡œìš� 팬텀 단위ë¥� 부여받았으ë©�, ì´ëŠ” 1ë…� í›� 보통주로 ì •ì‚°ë©ë‹ˆë‹�.

10b5-1 거래 계íšì€ 명시ë˜ì§€ 않았으며, ë³´ê³ ìžëŠ” í•� 명ë¿ìž…니ë‹�. ê¸ˆì•¡ì€ WLKP 시가ì´ì•¡ì—� 비해 í¬ì§€ 않지ë§�, ë‚´ë¶€ìž� 매ë„ëŠ� 특히 보유 ì§€ë¶„ì´ ì¤„ì–´ë“œëŠ” 경우 투ìžìžë“¤ì� 신중하게 ë³� ìˆ� 있습니다.

Westlake Chemical Partners LP (WLKP) � Transaction d’initié Formulaire 4

Le directeur Randy Woelfel a déclaré une opération combinée d’exercice et de vente le 8 août 2025 portant sur 4 882 unités ordinaires :

  • Exercice (Code M) : 4 882 unités fantômes converties en un nombre égal d’unités ordinaires le 7 août 2025.
  • Vente (Code D) : les mêmes 4 882 unités ordinaires ont été immédiatement vendues à 21,96 $, générant un produit d’environ 107 000 $.

Après ces transactions, la détention directe de Woelfel est passée de 28 795 à 23 913 unités ordinaires (soit une réduction d’environ 17 %) et il ne reste plus d’unités dérivées (fantômes) en circulation. Il a également reçu une attribution distincte de 5 005 nouvelles unités fantômes le 6 août 2025, qui seront converties en unités ordinaires un an plus tard.

Aucun plan de trading 10b5-1 n’a été indiqué, et la déclaration concerne une seule personne déclarante. Bien que la valeur en dollars soit modeste par rapport à la capitalisation boursière de WLKP, les ventes d’initiés peuvent être perçues avec prudence par les investisseurs, notamment lorsqu’elles entraînent une réduction du niveau de participation.

Westlake Chemical Partners LP (WLKP) � Insider-Transaktion Form 4

Direktor Randy Woelfel meldete am 8. August 2025 eine kombinierte Ausübung und Verkauf von 4.882 Stammanteilen:

  • Ausübung (Code M): 4.882 Phantomanteile wurden am 7. August 2025 in die gleiche Anzahl von Stammanteilen umgewandelt.
  • Verkauf (Code D): dieselben 4.882 Stammanteile wurden sofort zu 21,96 $ verkauft, was Erlöse von etwa 107.000 $ ergab.

Nach den Transaktionen sank Woelfels direkte Beteiligung von 28.795 auf 23.913 Stammanteile (ca. 17 % Rückgang), und es sind keine derivativen (Phantom-)Anteile mehr ausstehend. Zudem erhielt er am 6. August 2025 eine separate Zuteilung von 5.005 neuen Phantomanteilen, die ein Jahr später in Stammanteile umgewandelt werden.

Ein 10b5-1-Handelsplan wurde nicht angegeben, und die Meldung betrifft nur eine meldende Person. Obwohl der Dollarwert im Verhältnis zur Marktkapitalisierung von WLKP gering ist, können Insider-Verkäufe von Investoren vorsichtig betrachtet werden, insbesondere wenn sie den Besitzanteil verringern.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
WOELFEL RANDY

(Last) (First) (Middle)
2801 POST OAK BLVD., STE. 600

(Street)
HOUSTON TX 77056

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Westlake Chemical Partners LP [ WLKP ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Units 08/07/2025 M 4,882 A (1) 28,795 D
Common Units 08/07/2025 D 4,882 D $21.96 23,913 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Phantom Units (1) 08/06/2025 A 5,005 08/06/2026 09/06/2026 Common Units 5,005 $0 0 D
Phantom Units (1) 08/07/2025 M 4,882 08/07/2025 09/07/2025 Common Units 4,882 $0 0 D
Explanation of Responses:
1. Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.
Remarks:
Mr. Woelfel is a Director of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP.
Randy Woelfel by J Feng POA 08/08/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many WLKP units did Director Randy Woelfel sell?

4,882 common units were sold on 07-Aug-2025.

What price did the WLKP insider receive for the units?

The sale price was $21.96 per unit.

What is the director's remaining WLKP ownership after the sale?

Woelfel now directly holds 23,913 common units.

Did the insider use a Rule 10b5-1 trading plan?

The Form 4 does not indicate use of a 10b5-1 plan.

Were any new WLKP phantom units granted?

Yes, 5,005 phantom units were granted on 06-Aug-2025.

Is the sale considered large relative to WLKP's trading volume?

At roughly $107 k, the sale is small compared with WLKP’s typical daily dollar volume.
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Chemicals
Industrial Organic Chemicals
United States
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